Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Fiona Gruzmark, MD

Individual provider Internal Medicine Physician · NPI 1396544961

Fiona Gruzmark, MD is an Internal Medicine Physician in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2025
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

820 S Wood St
Chicago, IL 60612-4325
Phone: (312) 996-2933
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 125.087522 (IL)

Record details

NPI number1396544961
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 7, 2025
Last updated in NPPESMay 30, 2026
Certification dateMay 30, 2026

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